Seudónimo Seudónimo
  • 22-08-2014
  • Chemistry
contestada

Which of these follows a cyclical pattern?
A. sunspot maxima and minima
B. condensation of a nebula
C. formation of a crater
D. formation of a black hole

Respuesta :

AL2006
AL2006 AL2006
  • 22-08-2014
The number of sunspots, observed during the past 300 years or so,
has been found to vary up and down in a cycle of very very roughly 
about 11 years.
Answer Link

Otras preguntas

Find the distance between each pair of points. (7 1/2, -6) and (7 1/2, -2 1/2)
Which of the following is NOT a formed element of the blood?
Spanish homework help please. I'm failing​
derive Euler's formula e^(ix) - cos(x) + i*sin(x) by using taylor series expansion
In Response to Executive Order 9066 "Of course I’ll come. I’ve packed my galoshes and three packets of tomato seeds. Denise calls them love apples. My father sa
unlike Plato Aristotle believed in what​
The moon appears red during a lunar eclipse because red is the __________ wavelength of light in the color spectrum present in sunlight. longest shortest bright
What is one enemy country America still has to deal with after WWII?
Select the correct answer. Which sentence is likely to be the opening of a goodwill message?
it's due in less than 30 minutes ​